Automatic Door Closer For Heavy Doors 1500G Tension

Quick Install Hole-free 3M glue install, firmness does not damage the wall, easy install, high-temperature resistance. 50,000 Tests The high-quality P12 steel wire rope has passed 50,000 times of tensile test and rebound test, with strong tensile force. 800G Pull Suitable for doors, or doors with a slightly stronger closing force. Doors that open left and right, wooden and partial metal doors, residential and commercial doors, exterior/inner door closers, fire doors Characteristic Anti-oxidation, anti-corrosion, no rust, stable, wear-resistant, weather-proof, hydraulic, quiet, safe shut-off device. Hold open arm: By opening the door to a certain degree, a nut is tightened which causes the arm to stick at an open point. Dedicated parallel arm: In the closed position it lays parallel with the door instead of projecting outwards, although lacks the strength of the standard arm.Stop arm: Prevents the door from opening too far and hitting a wall or other obstacle. Super fast and easy navigation An automatic door closer (more often called a "door opener") opens the door itself, typically under the control of a push button, motion detector or other device, and then closes it as well, typically employing a motion or proximity detector to determine when it is safe to close the door.